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MySQL 教程

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MySQL MIN() 和 MAX() 函数


MySQL MIN() 和 MAX() 函数

The MIN() 函数返回所选列的最小值。

The MAX() 函数返回所选列的最大值。

MIN() 语法

SELECT MIN(column_name)
FROM table_name
WHERE condition;

MAX() 语法

SELECT MAX(column_name)
FROM table_name
WHERE condition;

演示数据库

下面是 Northwind 示例数据库中 "Products" 表的一部分

ProductID ProductName SupplierID CategoryID Unit Price
1 Chais 1 1 10 boxes x 20 bags 18
2 Chang 1 1 24 - 12 oz bottles 19
3 Aniseed Syrup 1 2 12 - 550 ml bottles 10
4 安东大厨的卡津调味料 2 2 48 - 6 盎司罐 22
5 安东大厨的浓汤混合料 2 2 36 盒 21.35

MIN() 示例

以下 SQL 语句用于查找最便宜产品的价格

示例

SELECT MIN(Price) AS SmallestPrice
FROM Products;
自己尝试 »


MAX() 示例

以下 SQL 语句用于查找最昂贵产品的价格

示例

SELECT MAX(Price) AS LargestPrice
FROM Products;
自己尝试 »

通过练习测试自己

练习

使用 MIN 函数选择 Price 列中值最小的记录。

SELECT 
FROM Products;

开始练习


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